Lint tweaks (#502)

* lint json files & add lint ignore list

* lint against plain console logs

* Update .lintstagedrc.js

Co-Authored-By: Lipis <lipiridis@gmail.com>

* format .tsconfig

* don't lint against console.info

* change log to console.info

Co-authored-by: Lipis <lipiridis@gmail.com>

.lintstagedrc.js

@@ -0,0 +1,15 @@
+const { CLIEngine } = require("eslint");
+
+// see https://github.com/okonet/lint-staged#how-can-i-ignore-files-from-eslintignore-
+//  for explanation
+const cli = new CLIEngine({});
+
+module.exports = {
+  "*.{js,ts,tsx,json}": files => {
+    return (
+      "eslint --max-warnings=0 " +
+      files.filter(file => !cli.isPathIgnored(file)).join(" ")
+    );
+  },
+  "*.{js,css,scss,json,md,ts,tsx,html,yml}": ["prettier --write"]
+};